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Add Consecutive Numbers sent to a Matrix in a Matlab Function

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Vance Blake
Vance Blake on 6 May 2020
Edited: James Tursa on 6 May 2020
Hello, I am writing a function that adds the second value sent to a matrix to the first, the thrid number to the sum of the first two numbers, the fourth number to the sum of the first three...and so on till the last value is added to the sum of all previous values. Any help is greatly apprieciated
function [travel_dist] = DeltaDistance(xB_1)
sumxB = xB_1(1) + xB_1(2)
travel_dist = deltaX_s-sumxB
end

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Accepted Answer

James Tursa
James Tursa on 6 May 2020
Edited: James Tursa on 6 May 2020
Sounds like maybe you want persistent variable behavior. E.g.,
function travel_dist = DeltaDistance(x)
persistent y
if( isempty(y) )
y = x;
else
y = y + x;
end
travel_dist = y;
end

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